diff options
| author | Alan Cox <alan@redhat.com> | 2008-10-13 10:40:53 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-10-13 09:51:42 -0700 |
| commit | dbda4c0b97b18fd59b3964548361b4f92357f730 (patch) | |
| tree | ca7e2827541aec01762f2a9c0e3155aaf49bf0ca /kernel/acct.c | |
| parent | 934e6ebf96e8c1a0f299e64129fdaebc1132a427 (diff) | |
| download | lwn-dbda4c0b97b18fd59b3964548361b4f92357f730.tar.gz lwn-dbda4c0b97b18fd59b3964548361b4f92357f730.zip | |
tty: Fix abusers of current->sighand->tty
Various people outside the tty layer still stick their noses in behind the
scenes. We need to make sure they also obey the locking and referencing rules.
Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'kernel/acct.c')
| -rw-r--r-- | kernel/acct.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/acct.c b/kernel/acct.c index dd68b9059418..f6006a60df5d 100644 --- a/kernel/acct.c +++ b/kernel/acct.c @@ -548,7 +548,7 @@ static void do_acct_process(struct bsd_acct_struct *acct, #endif spin_lock_irq(¤t->sighand->siglock); - tty = current->signal->tty; + tty = current->signal->tty; /* Safe as we hold the siglock */ ac.ac_tty = tty ? old_encode_dev(tty_devnum(tty)) : 0; ac.ac_utime = encode_comp_t(jiffies_to_AHZ(cputime_to_jiffies(pacct->ac_utime))); ac.ac_stime = encode_comp_t(jiffies_to_AHZ(cputime_to_jiffies(pacct->ac_stime))); |